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subsystem support

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radius 2018-02-03 12:38:11 -05:00
parent 7459b9610c
commit b169d86bf8
1 changed files with 95 additions and 6 deletions
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91
libretro/libretro.c
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@ -33,6 +33,13 @@ static const char slash = '/';
#define VIDEO_HEIGHT 144
#define VIDEO_PIXELS (VIDEO_WIDTH * VIDEO_HEIGHT)
#define RETRO_MEMORY_GAMEBOY_1_RAM ((1 << 8) | RETRO_MEMORY_SAVE_RAM)
#define RETRO_MEMORY_GAMEBOY_1_RTC ((2 << 8) | RETRO_MEMORY_RTC)
#define RETRO_MEMORY_GAMEBOY_2_RAM ((3 << 8) | RETRO_MEMORY_SAVE_RAM)
#define RETRO_MEMORY_GAMEBOY_2_RTC ((3 << 8) | RETRO_MEMORY_RTC)
#define RETRO_GAME_TYPE_GAMEBOY_LINK_2P 0x101
char battery_save_path[512];
char symbols_path[512];
@ -201,6 +208,26 @@ static const struct retro_variable vars_link[] = {
{ NULL }
};
static const struct retro_subsystem_memory_info gb1_memory[] = {
{ "srm", RETRO_MEMORY_GAMEBOY_1_RAM },
{ "rtc", RETRO_MEMORY_GAMEBOY_1_RTC },
};
static const struct retro_subsystem_memory_info gb2_memory[] = {
{ "srm", RETRO_MEMORY_GAMEBOY_2_RAM },
{ "rtc", RETRO_MEMORY_GAMEBOY_2_RTC },
};
static const struct retro_subsystem_rom_info gb_roms[] = {
{ "GameBoy #1", "gb|gbc", true, false, true, gb1_memory, 1 },
{ "GameBoy #2", "gb|gbc", true, false, true, gb2_memory, 1 },
};
static const struct retro_subsystem_info subsystems[] = {
{ "2 Player Gameboy Link", "gb_link_2p", gb_roms, 2, RETRO_GAME_TYPE_GAMEBOY_LINK_2P | 0x1000 },
{ NULL },
};
static void init_for_current_model(void)
{
unsigned i = 0;
@ -569,6 +596,7 @@ void retro_set_environment(retro_environment_t cb)
{ NULL, 0 },
};
cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
cb(RETRO_ENVIRONMENT_SET_SUBSYSTEM_INFO, (void*)subsystems);
}
void retro_set_audio_sample(retro_audio_sample_t cb)
@ -730,11 +758,72 @@ unsigned retro_get_region(void)
return RETRO_REGION_NTSC;
}
bool retro_load_game_special(unsigned type, const struct retro_game_info *info, size_t num)
bool retro_load_game_special(unsigned type, const struct retro_game_info *info, size_t num_info)
{
struct retro_input_descriptor desc[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "Left" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "Up" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "Down" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "Right" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "B" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "A" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 1, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0 },
};
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, desc);
enum retro_pixel_format fmt = RETRO_PIXEL_FORMAT_XRGB8888;
if (!environ_cb(RETRO_ENVIRONMENT_SET_PIXEL_FORMAT, &fmt))
{
log_cb(RETRO_LOG_INFO, "XRGB8888 is not supported.\n");
return false;
}
snprintf(retro_game_path, sizeof(retro_game_path), "%s", info->path);
init_for_current_model();
for (int i = 0; i < emulated_devices; i++)
{
auto_model = (info[i].path[strlen(info[i].path) - 1] & ~0x20) == 'C' ? MODEL_CGB : MODEL_DMG;
if (GB_load_rom(&gameboy[i], info[i].path))
{
log_cb(RETRO_LOG_INFO, "Failed to load ROM\n");
return false;
}
}
bool yes = true;
environ_cb(RETRO_ENVIRONMENT_SET_SUPPORT_ACHIEVEMENTS, &yes);
if (environ_cb(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &rumble))
log_cb(RETRO_LOG_INFO, "Rumble environment supported.\n");
else
log_cb(RETRO_LOG_INFO, "Rumble environment not supported.\n");
static const struct retro_variable vars[] = {
{ "sameboy_color_correction_mode", "Color Correction; off|correct curves|emulate hardware|preserve brightness" },
{ "sameboy_high_pass_filter_mode", "High Pass Filter; off|accurate|remove dc offset" },
{ "sameboy_model", "Emulated Model; Auto|Game Boy|Game Boy Color|Game Boy Advance" },
{ "sameboy_link", "Link Cable; disabled|enabled" },
{ "sameboy_link_layout", "Screen Layout; top-down|left-right" },
{ NULL }
};
environ_cb(RETRO_ENVIRONMENT_SET_VARIABLES, emulated_devices == 2 ? (void *)vars_link : (void *)vars);
check_variables(emulated_devices == 2 ? true : false);
return true;
}
size_t retro_serialize_size(void)
{
if (emulated_devices == 2)